This video describes how the circulatory system works, how disease can affect blood vessels (atherosclerosis), and how doctors use angiography to test for coronary artery blockage.

Your aorta is the major artery leaving the heart, but extends to the abdomen. The video shows how a bulging out of the aorta (abdominal aortic aneurysm) is treated with a stent.

A physician describes what cholesterol is, the difference between good and bad cholesterol, and how cholesterol leads to atherosclerosis (blood vessel disease).

A narrated video that provides a detailed overview of the anatomy of the arm, wrist, and hand. It also shows how muscles interact with bone to create movement. Once these are explained, carpal tunnel syndrome is described and one way in which carpal tunnel surgery is performed to correct the problem.